cee” Ie Ee X. 
GENUS 7. PECTUNCULUS; COCKLE. 
* MARIN. SEA. 
Pedtunculus glaber, smooth - - - 
GENUS 9: CUNEUS. PURR, 
* MARINZE. SEA. 
Cuneus fasciatus, fasciated 
Cuneus foliatus, foliated “ - = é 
Cuneus truncatus, truncated - - is 
Cuneus vittatus, ribband 2 
GENUS ll. MYTILUS MUSCLE, 
* MARINA. SEA. 
Mytilus Modiolus, great - = A A 
Mytilus difcors, divided ° , - = 
Plates 
29 
24 
29 
25 
GENUS 15. PINNA. SEA HAM OR WING 
* MARINA. SEA. 
Pinna muricata, thorny - = re be 
PART Lv. 
MULTIVALVES, 
GENUus 18. 
Balanus vulgaris, common - = = . 
Balanus porcatus, ridged - - = = 
Balanus anatiferus barnacle - - - « 
Vou. I. M 
qc 
2. 
Ie 
Ze 
Te 
